140-840Pcs Preformed Breadboard Jumper Wire Kit 14 Lengths Assorted for Breadboard Prototyping Circuits DIY Electronic Kit

Unleash your electronics genius with the 140-840Pcs Preformed Breadboard Jumper Wire Kit — a complete, color-coded solution built for fast, reliable breadboard prototyping and DIY circuit creation. With 14 distinct lengths spanning from precision 2 mm to a generous 125 mm, you’ll have exactly the right reach for every jump, row, and connector without hunting for mismatched leads.

What makes this breadboard jumper kit unique

• 14 precise lengths cover every scenario—from tight signal paths to distant connections: 2 mm, 5 mm, 7 mm, 10 mm, 12 mm, 15 mm, 17 mm, 20 mm, 22 mm, 25 mm, 50 mm, 75 mm, 100 mm, and 125 mm.
• Pre‑stripped, preformed right-angled leads for effortless insertion into standard 0.1" (2.54 mm) breadboards—no fiddling with stripped ends or awkward angles.
• Color-coded for clarity a spectrum of red, orange, yellow, green, blue, purple, grey, brown, white—make circuit diagrams readable at a glance and reduce wiring mix-ups.
• Soft, flexible wire composition designed to bend into test layouts without kinking, making re-wiring during troubleshooting quick and painless.
• Broad compatibility works with a wide range of breadboards, prototyping boards, LED strips, sensors, microcontroller projects, and test rigs—perfect for students, makers, and engineers alike.
• Comprehensive packaging options choose the bundle size that fits your workflow: 140pcs (14 lengths, 10 pcs each), 350pcs (14 lengths, 25 pcs each), 560pcs (14 lengths, 40 pcs each), 840pcs (14 lengths, 60 pcs each), or a combined 140pcs + 65pcs set for a balanced starter and expansion kit.
• Includes a free plastic storage box to keep jumpers organized, protected, and easy to grab during rapid prototyping sessions.

Ideal use cases and practical benefits

• Rapid prototyping for microcontroller projects (Arduino, Raspberry Pi, ESP32) where you need reliable, repeatable connections without length compromises.
• Circuit testing and breadboard experimentation: map out sensor circuits, LED arrays, and small signal paths with the exact lead lengths you need.
• Educational settings and hobby projects where students learn circuit design—color-coded wires help teach wiring topology and reduce debugging time.
• Repairs and quick builds: the 50–125 mm wires excel at bridging gaps on larger breadboards or multi-board test rigs.
• Organization and workflow efficiency: the included storage box keeps multiple sets sorted and ready for screening, building, and iteration.

How this kit compares to typical jumper sets

• Versus single-length kits: you gain a full spectrum of lengths in one package, eliminating the need to mix and match from separate orders.
• Versus mixed-color, non-preformed cables: the right-angled, preformed leads slide into breadboard sockets with less force and less risk of bending delicate pins.
• Versus unmarked, generic jumpers: color coding reduces cross‑signal mistakes and speeds up circuit labeling during design reviews or demonstrations.

When you’re ready to prototype, troubleshoot, or teach electronics, this 140-840Pcs Preformed Breadboard Jumper Wire Kit delivers the variety, reliability, and organization you need to turn ideas into working circuits fast. It’s not just a collection of wires — it’s a fully prepared toolkit for smarter, faster prototyping.